/*
Theme Name: 百樂施現代版面
Theme URI: https://www.pavas.org.hk/
Author: PAVAS Education Foundation Limited
Description: 百樂施教育基金會的現代化繁體中文主題。保留原有文章、頁面及媒體內容，改善導覽、閱讀體驗及日後更新流程。
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 7.4
Text Domain: pavas-modern
*/

:root {
  --pavas-red: #d71920;
  --pavas-red-dark: #a90f16;
  --pavas-ink: #181614;
  --pavas-muted: #6d6862;
  --pavas-cream: #f6f0e8;
  --pavas-paper: #fffdf9;
  --pavas-line: #ddd4c9;
  --pavas-white: #fff;
  --pavas-shadow: 0 18px 55px rgba(61, 38, 27, 0.12);
  --pavas-radius: 1.35rem;
  --pavas-width: 76rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--pavas-ink);
  background: var(--pavas-paper);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: var(--pavas-red-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--pavas-red);
}

img {
  max-width: 100%;
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--pavas-red);
  outline-offset: 4px;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus {
  z-index: 100000;
  top: 0.8rem;
  left: 0.8rem;
  width: auto;
  height: auto;
  padding: 0.7rem 1rem;
  clip: auto;
  color: var(--pavas-white);
  background: var(--pavas-red-dark);
}

.site-shell {
  width: min(calc(100% - 2rem), var(--pavas-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 253, 249, 0.96);
  border-bottom: 1px solid rgba(221, 212, 201, 0.8);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 6.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand-link {
  display: block;
  flex: 0 1 34rem;
  line-height: 0;
}

.brand-link img {
  display: block;
  max-height: 4.35rem;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  min-height: 3rem;
  padding: 0.55rem 0.8rem;
  color: var(--pavas-ink);
  background: transparent;
  border: 1px solid var(--pavas-line);
  border-radius: 999px;
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  content: "";
  transition: transform 180ms ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before {
  position: absolute;
  top: -0.4rem;
}

.menu-toggle-lines::after {
  position: absolute;
  top: 0.4rem;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav li {
  position: relative;
}

.primary-nav a {
  display: block;
  padding: 0.72rem 0.68rem;
  color: var(--pavas-ink);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a {
  color: var(--pavas-red);
}

.primary-nav .sub-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  display: none;
  min-width: 14rem;
  padding: 0.55rem;
  background: var(--pavas-white);
  border: 1px solid var(--pavas-line);
  border-radius: 0.9rem;
  box-shadow: var(--pavas-shadow);
}

.primary-nav li:hover > .sub-menu,
.primary-nav li:focus-within > .sub-menu {
  display: block;
}

.primary-nav .sub-menu a {
  padding: 0.7rem 0.85rem;
  border-radius: 0.55rem;
  white-space: normal;
}

.primary-nav .sub-menu a:hover {
  background: var(--pavas-cream);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(215, 25, 32, 0.11), transparent 32%),
    linear-gradient(135deg, #fffaf4 0%, #f3eadf 100%);
  border-bottom: 1px solid var(--pavas-line);
}

.hero::after {
  position: absolute;
  right: -8rem;
  bottom: -12rem;
  width: 28rem;
  height: 28rem;
  border: 1px solid rgba(215, 25, 32, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 4rem rgba(215, 25, 32, 0.035), 0 0 0 8rem rgba(215, 25, 32, 0.025);
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(20rem, 1.12fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 6rem);
  min-height: 43rem;
  padding-block: clamp(3.5rem, 7vw, 7rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  color: var(--pavas-red-dark);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.eyebrow::before {
  width: 2rem;
  height: 2px;
  background: var(--pavas-red);
  content: "";
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: clamp(2.6rem, 5.5vw, 5.4rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.hero-meta {
  margin: 1.35rem 0 0;
  color: var(--pavas-muted);
  font-size: 0.96rem;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.7rem 1.25rem;
  color: var(--pavas-white);
  background: var(--pavas-red);
  border: 1px solid var(--pavas-red);
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button-link:hover {
  color: var(--pavas-white);
  background: var(--pavas-red-dark);
  box-shadow: 0 10px 25px rgba(169, 15, 22, 0.22);
  transform: translateY(-2px);
}

.button-link.is-secondary {
  color: var(--pavas-ink);
  background: transparent;
  border-color: var(--pavas-ink);
}

.button-link.is-secondary:hover {
  color: var(--pavas-white);
  background: var(--pavas-ink);
}

.hero-media {
  position: relative;
  align-self: stretch;
  min-height: 33rem;
}

.hero-media a,
.hero-media img,
.hero-media-placeholder {
  width: 100%;
  height: 100%;
}

.hero-media a {
  display: block;
}

.hero-media img {
  display: block;
  object-fit: cover;
  border-radius: 14rem 14rem 1.5rem 1.5rem;
  box-shadow: var(--pavas-shadow);
}

.hero-media-placeholder {
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--pavas-red);
  border-radius: 14rem 14rem 1.5rem 1.5rem;
  color: var(--pavas-white);
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
}

.content-section {
  padding-block: clamp(4.5rem, 8vw, 8rem);
}

.content-section.is-cream {
  background: var(--pavas-cream);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.2rem;
}

.section-heading h2,
.mission-title,
.archive-title,
.entry-title {
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.section-heading h2,
.mission-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.section-heading p {
  max-width: 36rem;
  margin: 0;
  color: var(--pavas-muted);
}

.text-link {
  font-weight: 800;
  white-space: nowrap;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.content-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: var(--pavas-white);
  border: 1px solid var(--pavas-line);
  border-radius: var(--pavas-radius);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.content-card:hover {
  box-shadow: 0 16px 40px rgba(61, 38, 27, 0.1);
  transform: translateY(-4px);
}

.card-image {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #eae2d8;
}

.card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 350ms ease;
}

.content-card:hover .card-image img {
  transform: scale(1.025);
}

.card-placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  padding: 2rem;
  color: var(--pavas-red-dark);
  background: linear-gradient(145deg, #f8eee8, #e9ddd3);
  font-weight: 800;
  text-align: center;
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem 1.3rem 1.4rem;
}

.card-meta,
.entry-meta {
  color: var(--pavas-muted);
  font-size: 0.86rem;
}

.card-title {
  margin: 0.45rem 0 0;
  font-size: 1.22rem;
  line-height: 1.45;
}

.card-title a {
  color: var(--pavas-ink);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--pavas-red);
}

.card-excerpt {
  margin: 0.8rem 0 0;
  color: var(--pavas-muted);
  font-size: 0.94rem;
}

.card-more {
  margin-top: auto;
  padding-top: 1rem;
  font-weight: 800;
}

.mission-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
}

.mission-mark {
  position: sticky;
  top: 8rem;
}

.mission-kicker {
  margin: 0 0 1rem;
  color: var(--pavas-red-dark);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.mission-content {
  padding: clamp(1.8rem, 4vw, 3.5rem);
  background: var(--pavas-white);
  border-left: 0.35rem solid var(--pavas-red);
  box-shadow: var(--pavas-shadow);
}

.mission-content > :first-child {
  margin-top: 0;
}

.mission-content > :last-child {
  margin-bottom: 0;
}

.newsletter-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--pavas-line);
}

.newsletter-item {
  padding: 1.5rem;
  border-right: 1px solid var(--pavas-line);
  border-bottom: 1px solid var(--pavas-line);
}

.newsletter-item:nth-child(3n) {
  border-right: 0;
}

.newsletter-item a {
  color: var(--pavas-ink);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}

.newsletter-item a:hover {
  color: var(--pavas-red);
}

.newsletter-item time {
  display: block;
  margin-top: 0.4rem;
  color: var(--pavas-muted);
  font-size: 0.86rem;
}

.archive-header,
.entry-header {
  padding-block: clamp(3rem, 7vw, 6rem);
  background: var(--pavas-cream);
  border-bottom: 1px solid var(--pavas-line);
}

.archive-title,
.entry-title {
  max-width: 20ch;
  font-size: clamp(2.3rem, 5vw, 4.7rem);
}

.archive-description {
  max-width: 48rem;
  margin-top: 1rem;
  color: var(--pavas-muted);
}

.archive-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-form {
  display: flex;
  width: min(100%, 28rem);
  border: 1px solid var(--pavas-line);
  border-radius: 999px;
  background: var(--pavas-white);
  overflow: hidden;
}

.search-field {
  min-width: 0;
  flex: 1;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 0;
}

.search-submit {
  padding: 0.7rem 1rem;
  color: var(--pavas-white);
  background: var(--pavas-red);
  border: 0;
  cursor: pointer;
  font-weight: 800;
}

.pagination {
  margin-top: 3rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-numbers {
  display: grid;
  min-width: 2.7rem;
  min-height: 2.7rem;
  padding: 0.35rem 0.75rem;
  place-items: center;
  color: var(--pavas-ink);
  background: var(--pavas-white);
  border: 1px solid var(--pavas-line);
  border-radius: 999px;
  text-decoration: none;
}

.page-numbers.current,
.page-numbers:hover {
  color: var(--pavas-white);
  background: var(--pavas-red);
  border-color: var(--pavas-red);
}

.entry-meta {
  margin-top: 1.2rem;
}

.entry-content-wrap {
  width: min(calc(100% - 2rem), 58rem);
  margin-inline: auto;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.entry-content {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
}

.entry-content > * {
  max-width: 100%;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: 2em;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  line-height: 1.35;
}

.entry-content p,
.entry-content ul,
.entry-content ol,
.entry-content figure,
.entry-content table,
.entry-content .wp-block-embed {
  margin-block: 1.25rem;
}

.entry-content img {
  height: auto;
  border-radius: 0.7rem;
}

.entry-content iframe,
.entry-content video {
  max-width: 100%;
}

.entry-content .wp-block-embed__wrapper {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
}

.entry-content .wp-block-embed__wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
}

.entry-content th,
.entry-content td {
  padding: 0.8rem;
  border: 1px solid var(--pavas-line);
  text-align: left;
  vertical-align: top;
}

.entry-content figcaption {
  color: var(--pavas-muted);
  font-size: 0.86rem;
  text-align: center;
}

.post-navigation {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pavas-line);
}

.post-navigation .nav-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.post-navigation a {
  display: block;
  padding: 1rem;
  color: var(--pavas-ink);
  background: var(--pavas-cream);
  border-radius: 0.8rem;
  text-decoration: none;
}

.post-navigation a:hover {
  color: var(--pavas-red);
}

.empty-state {
  padding: 3rem;
  background: var(--pavas-cream);
  border-radius: var(--pavas-radius);
  text-align: center;
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #1c1917;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: 4rem;
}

.footer-brand {
  width: min(100%, 27rem);
  padding: 0.8rem;
  background: var(--pavas-white);
  border-radius: 0.65rem;
}

.footer-title {
  margin: 0 0 1rem;
  color: var(--pavas-white);
  font-size: 1rem;
}

.footer-nav {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav li + li {
  margin-top: 0.55rem;
}

.site-footer a {
  color: var(--pavas-white);
}

.footer-contact p {
  margin: 0.35rem 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.84rem;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 64rem) {
  .menu-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    inset: 6.2rem 0 0;
    display: none;
    padding: 1rem;
    overflow-y: auto;
    background: var(--pavas-paper);
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav ul {
    display: block;
    width: min(100%, 34rem);
    margin-inline: auto;
  }

  .primary-nav a {
    padding: 0.9rem;
    border-bottom: 1px solid var(--pavas-line);
    font-size: 1.08rem;
    white-space: normal;
  }

  .primary-nav .sub-menu {
    position: static;
    display: block;
    padding: 0 0 0 1rem;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .hero-grid {
    grid-template-columns: 1fr 0.9fr;
    min-height: auto;
  }

  .hero-media {
    min-height: 28rem;
  }
}

@media (max-width: 48rem) {
  .site-shell {
    width: min(calc(100% - 1.25rem), var(--pavas-width));
  }

  .header-inner {
    min-height: 5.15rem;
  }

  .brand-link {
    max-width: calc(100% - 4rem);
  }

  .brand-link img {
    max-height: 3.45rem;
  }

  .primary-nav {
    inset-block-start: 5.15rem;
  }

  .hero-grid,
  .mission-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 2.5rem;
    padding-block: 3.2rem;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.4rem, 12vw, 4rem);
  }

  .hero-media {
    min-height: 29rem;
  }

  .hero-media img,
  .hero-media-placeholder {
    border-radius: 8rem 8rem 1rem 1rem;
  }

  .section-heading,
  .archive-tools,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .card-grid,
  .newsletter-list {
    grid-template-columns: 1fr;
  }

  .newsletter-item,
  .newsletter-item:nth-child(3n) {
    border-right: 0;
  }

  .mission-mark {
    position: static;
  }

  .post-navigation .nav-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}